LEVAILLANT, Lucie; BOUHOURS-NOUET, Natacha; ILLOUZ, Frederic; AMSELLEM JAGER, Jessica; BACHELOT, Anne; BARAT, Pascal; BARON, Sabine; BENSIGNOR, Candace; BRAC DE LA PERRIERE, Aude; BRAIK DJELLAS, Yasmine; CAILLOT, Morgane; CALDAGUES, Emmanuelle; CAMPAS, Marie-Neige; CAQUARD, Marylène; CARTAULT, Audrey; CHEIGNON, Julie; DECREQUY, Anne; DELEMER, Brigitte; DIECKMANN, Katherine; DONZEAU, Aurélie; DOYE, Emilie; FRADIN, Mélanie; GAUDILLIÈRE, Mélanie; GATELAIS, Frédérique; GORCE, Magali; HAZART, Isabelle; HOUCINAT, Nada; HOUDON, Laure; ISTER-SALOME, Marielle; JOZWIAK, Lucie; JEANNOEL, Patrick; LABARTHE, Francois; LACOMBE, Didier; LAMBERT, Anne-Sophie; LEFEVRE, Christine; LEHEUP, Bruno; LEROY, Clara; MAISONNEUVE, Benedicte; MARCHAND, Isis; MARQUANT, Emeline; MUSZLAK, Matthias; PANTALONE, Letitia; POCHELU, Sandra; QUELIN, Chloe; RADET, Catherine; RENOULT-PIERRE, Peggy; REYNAUD, Rachel; ROULEAU, Stéphanie; TEINTURIER, Cécile; THEVENON, Julien; TURLOTTE, Caroline; VALLE, Aline; VIERGE, Melody; VILLANUEVA, Carine; ZIEGLER, Alban; DIEU, Xavier; BOUZAMONDO, Nathalie; RODIEN, Patrice; PRUNIER-MIREBEAU, Delphine; COUTANT, Regis

doi:10.1210/clinem/dgad119

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Article de revue

Ce document a été publié dans

Journal of Clinical Endocrinology and Metabolism. 2023-03-08, vol. 108, n° 9, p. e779-e788

Résumé en anglais

Congenital hypothyroidism with gland-in-situ (CH-GIS) is usually attributed to mutations in the genes involved in thyroid hormone production. The diagnostic yield of targeted next-generation sequencing (NGS) varied widely between studies. We hypothesized that the molecular yield of targeted NGS would depend on the severity of CH. Targeted NGS was performed in 103 CH-GIS patients from the French national screening program referred to the Reference Center for Rare Thyroid Diseases of Angers University Hospital. The custom targeted NGS panel contained 48 genes. Cases were classified as solved or probably solved depending on the known inheritance of the gene, the classification of the variants according to the American College of Medical Genetics and Genomics, the familial segregation, and published functional studies. Thyroid-stimulating hormone at CH screening and at diagnosis (TSHsc and TSHdg) and free T4 at diagnosis (FT4dg) were recorded. NGS identified 95 variants in 10 genes in 73 of the 103 patients, resulting in 25 solved cases and 18 probably solved cases. They were mainly due to mutations in the TG (n = 20) and TPO (n = 15) genes. The molecular yield was, respectively, 73% and 25% if TSHsc was ≥ and 5 pmol/L. NGS in patients with CH-GIS in France found a molecular explanation in 42% of the cases, increasing to 70% when TSHsc was ≥ 80 mUI/L or FT4dg was ≤ 5 pmol/L.< Réduire

Mots clés

Congenital hypothyroidism

Gland-in-situ

Molecular yield

Next-generation sequencing

Severity

URI

https://oskar-bordeaux.fr/handle/20.500.12278/188047

DOI

http://dx.doi.org/10.1210/clinem/dgad119

Unités de recherche

Maladies Rares : Génétique et Métabolisme (MRGM) - UMR 1211

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The Severity of Congenital Hypothyroidism With Gland-In-Situ Predicts Molecular Yield by Targeted Next-Generation Sequencing.

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Résumé en anglais

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